{% extends  "learning_logs/base.html" %}

{% block header %}
    <h1>Topics</h1>
{% endblock header %}

{% block content %}
<ul>
    {% for topic in topics %}
<!--    url中已经定义了topics   -->
    <li>
        <h3>
          <a href="{% url 'learning_logs:topic' topic.id %}">{{ topic }}</a>
        </h3>

    </li>
    {% empty %}
    <li> 没有创建任何主题 </li>
    {% endfor %}
</ul>
<h3>
    <a href="{% url 'learning_logs:new_topic' %}">新建主题</a>
</h3>

{% endblock content %}